Cell phone based MEMS fourier transform infrared (FTIR) gas sensors
First Claim
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1. A cell phone network, comprising:
- cell phones;
a server; and
network routing nodes for routing information between the cell phones and the server,one or more of the cell phones being sensor enabled cell phones that each include an infrared spectrometer sensor for spectrally analyzing gases in an ambient environment about the sensor enabled cell phone, anda communication portion for communicating with the cell phone network and transmitting data collected from the infrared spectrometer over the cell phone network each said infrared spectrometer sensor comprising;
a microelectromechanical MEMS based Fourier transform infrared chip;
an air intake allowing ambient air to enter the gas cell; and
a gas cell with mirrors to provide a multiple pass light beam.
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Abstract
A cell-phone based chemical sensor and communication/data management system has cell phones that are each provided with an integrated sensor (sensor enabled cell phone). Each cell phone comprises an infrared spectrometer for spectrally analyzing the ambient environment and a communication portion for communicating with the cellular phone network and transmitting data from the infrared spectrometer over the cellular network. These cell phones are linked to each other and a central server via the routing nodes of the cellular phone network.
17 Citations
15 Claims
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1. A cell phone network, comprising:
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cell phones; a server; and network routing nodes for routing information between the cell phones and the server, one or more of the cell phones being sensor enabled cell phones that each include an infrared spectrometer sensor for spectrally analyzing gases in an ambient environment about the sensor enabled cell phone, and a communication portion for communicating with the cell phone network and transmitting data collected from the infrared spectrometer over the cell phone network each said infrared spectrometer sensor comprising; a microelectromechanical MEMS based Fourier transform infrared chip; an air intake allowing ambient air to enter the gas cell; and a gas cell with mirrors to provide a multiple pass light beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A cell phone comprising:
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a housing; a communications section within said housing for communications on a cell phone network; and a pen-sized cylindrical infrared spectrometer within said housing comprising a microelectromechanical MEMS based Fourier Transform Infrared FTIR chip, a gas cell with mirrors to provide a multiple pass light beam, a pre-concentrator to increase sensitivity of gas identification, and a screened air intake allowing ambient air to enter the gas cell, wherein said gas spectrometer identifies gases resident in the ambient air within the gas cell and said communications section transmits said gas identifying information on the cell network.
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Specification